Tube-making machine.



E'..-G.--DBAN.

TUBE MAKING MACHINE. APPLIOATIOII IILED rEBfzl, 1908.

Patented Mar. 4, 1913.

5' SHEETS-SHEET 1.

NVENTOR e E. G. DE N. TUBE MAKING MACHINE. ABPLIOATION rum) 113.2 1908.

Patented Mar. 4, 1913.

\Lu 5 SHEETS-SHEET 2. \IE\ [NVEN Tole 7 E. G. DEAN.

TUBE MAKING MACHINE.

A1PLIOAT ION FILED 33, 21,1908.

' Patented Mar. 4, 1913.

6 SHEETS-SHEET 3.

E. G. DEAN.

' TUBE MAKINGMAGHINVE.

APPLICATION mum 133.21, 190a.

Patented Mar. 4, 1913.

5 SHEETS-SHEET 4.

INVENTO/ .j'llo a2; {whom it may roncemi 'ILBe it kuowmthat "I, .ELMER Gr. .DEAN, a

' section" on 40 Fig. 13, the rollers ",E ERG: immer. massing IEAZL LS, iv 1W?,YORK. AssIGNon 'ro .Au'roMA'rrc LIQ'UID BOX -QOMPANY or 'yraeamretns, raw-YORK, A 'oo'nronarrou' or NEW YORK.

\ TUBE-MAKING materna United: States, residing at in gt-he' -county of Niagara ';..,and .St ate, of. York, have invented cercitizen of .the

' tainnewand .ful Improyem'entsin Tube- .MakingMaohines.lof which the following is a specification. s

;,1naking' atube or tubes of polygonal shape in ;.cros s se.ction,. and. particularly a tube or .tubes of poiygonal shape having continuous .walls of uniform thickness.

For the purpose .-.of. illustration, 1 have 5 shown in the-accompanying drawings one 1 design or form ofpolygonal tube forming ,mechanis n embodying nyinvention.

- Figure 1 is a side elevationof a machine for .1naking or 1 forming polygonal tubes,

Lparts'.being brokeiraway.' Fig. 2 is a top 5 plan. View thereof; Fig. 3 is a transverse the line 3-3 of Fig. 1, on an en .'..1arged scale. Fig.4 is 'a 'sect-ional view Ton e line 4-4of Fig. 3. Figs. 5.6.7 and 8 are sectional views illustrating modifications of the invention different from that shown in Figs. 1 to 4.. Fig. 9 is a perspective view ofa. portion of a tube formed by the ma .chine illustrated in Figs. 1 to 4. Fig. 10 illustrates a portion of a-tube made by a machine such as'shown in Fig. 5. Fig. is aTp'ersperti-ve view-ofportion of the rotating tube-forming frame. Fig. 12 is a perspective View o'fthe cutters showingthe opera- I tion of.severingtheflforrned tube into sections. .jFigflS is an elevation ofthe cutters, parts beingshownin s'ection,-the view being takeubn the line lfii l i of Fig. 1. ,Fig.-14 is a vertical section on girlie. line la l t of being rned to show the cutters. thereonfi- Fig. 15 is a perspective view of abox section cut from a tube by the,

' cutters .illustratedin Figs. 12, 18' and 14. .Fig. 1G i'sa perspective view of a portion of the former showing the surface against v hi ':h. .the cutters operate. Fig.- 17 'is a I ;transverse section through Fig. 16;] Fig. 18 is a perspective View of a cutterha-ving a straight cutt-ing edgev I 5 In the drawings, A indicates a suitable .frame orbed preferably supported on legs.

. oruiprights a.

- B, B, indicatea pair of standards or sup ports prov ded with bearings. fora shaft 2.

This invention relates to ineohanism for.

The standards .13 .are secured or fixed any suitable mannerto the bed A.

- Specification of Letters Patent. Patented M ar. 4,19 13. Application filed I-ebruary 21, 1908.. seam... 417,171. I l v 5, 6,'indicate fast and loose pulleys mount- 1 i from a suitable source-of power. I

3 indicates a coupling member fixed to and driven by. the shaft 2.

7 indicates a-.t'ube former of ed ojnthe shaft 2,.whereby itmay be. driven polygonal shape in cross section. The former 7 is fixed to and supported by thefl coup ling member].

3atone end and extends longitudinally of the bed A... lhe couplingmember 3 is lp r'ef erably formed with asocket or opening 4 to receive the inner end of theformer 7.- Y I 7 indicates clamping means, isuch'as a) set screw, for. detachably looking on securing .the former 7 in the jsocket 4.

carried by spindles 1T(only. one sp ndle be- 'ing the material of which the'tube or tubes are formed. The 'websare preferabl arranged on opposite sides ofithe former and .feed ordeliverthe stripsgth-ereto at an angle 'to its longitudinal axis. While I prefer. to'

use a plurality of; tapes, it may befound de' 10.10. indicate-stripsor'tapes of suitable m flexible material leading from supply webs sirable under some conditions to form the tube fromonetape or strip only. I 12 indicates a receptacle-for holding an adhesive material.

112 indicates devices for applying the .ad-

hesive material to one face 1 of one of the strips.

15, 15'. indicate a pair of spaced upright members each having a foot adapted for support upon the bed A.

'15 indicatesbo-lts for securing the foot of each member tothe 'bedA.

15 indicates an opening formed in each of the members 15", '15, through which openings thei ormer extends. T

Sindicates a rotatable frame preferably comprising a pair ofannularmernbers 1A, 14,

surrounding the former/7' and av series of bearing blocks 13 supported by and between theannular members If 15 indicates bolts for securing the -annular members 141 and bearing'blocks 13 together and in proper position relative. to each other. g Y

16 indicates-bearings, preferably of anti friction typeyarranged between the oppo-- site faces of theframe Sand the adjacent v rollers 9 in close engagement with the tape and at the same-time permit them to yield onally shaped in cross section and the roll- 9, such gearing operating to transmit ro-' tary motionfrom one roller to an adjoining rollers.

. understood that as the frame 8 rotates with vices mounted in the rotatable-frame 8 and faces of the former 7 to form a tube there at the same speed as the former 7 members 15', 15', whereby the frame 8' is supported and free to I rotate withthe former 7. Ty? 1 9 indicates a series'of strip engaging deadapted to co'c'perat with the adj acentfisureor strips fed between them and the former 7 and accommodate themselves to tapes or strips of different thicknesses. It will be understood that as the former. 7 is polygers 9 press and fold the strips of material closely against the faces of the former 7, the said rollers9 and former 7 must necessarily rotate together about the axis of the former 7. In the form' of the invention illustrated in the drawings, the frame 8 is rotated in its bearings by, the former 7, but it will be. understood that separate means may be provided for rotating theframc 8 9 indicates a covering of friction in creasing material, such as rubber, which may be provided for each roller -9.

18 indicates gearing between the rollers.

one. The gearing 18 preferably comprises two bevel gears, one at each end of a roller 9, in mesh withthe gears of the adjoining 20 indicates a curved or annular rack carried byone of the upright members 15".

19? indicates a shaft preferably formed integral with the axle l9 of one ofthe rollers 9.

21 indicates a pinion or gear fixed to the shaft 19 at or near its free end'and mesh. ing with the rack 20. I

In the operation of these parts,'it will be the former 7 the gear 21 meshing with the rack 20, drives one of the rollers 9 and that by means of the gearing 18 the remaining rollers 9 are rotated by the driven roller. The gears 18 are preferably of the same size so that therollers will all be rotated at the same speed.

The operation of the machine may be deportion throughout.

scribed as" follows: The strips of material are led to'the former 7, preferably at an angle of 45 degrees thereto, and folded over the longitudinal extending edges of the former 7 until engaged by the strip engagring devices 9. The' former-,7 andfra'me 8 are now connected with thes'oure'e of power and driven at the desired speed. As the stripen'gaging devices revolve bodily with the'frame 8 in unison With the adjacent facesof the former 7,? they are simultaneo usly, by means of gearing 18, shaft 19',

pinion '21 and rack 20, rotated on their own axes, By this construction and operation, the-strips 10-, 10, being fed continuously to the former 7 at an angle to its axis, each strip engaging device 9 resses the strips flat against the adjacent aces of the former 7 and, in cooperation with its combined revoluble movement with the former 7'about'its longitudinal axis, results in folding the strips over the longitudinal edges of theformer 7 on lines diagonally of the strips into close engagement with the adjoining longitudinal faces 01 the former 7.

Since the rollers 9 are positively driven on their axes, they also operate to feed or slide the tube longitudinally of the former7 to- .ward its free end.

It will be understood that the operation may be continued for an indefinite time and produce a polygonal tube of any desired length having continuous walls of uniform thickness throughout. When a tube is made from two strips, they are arranged relative to each other to form broken joints.

' Figs. 1, 2, 3 and 4: illustrate a-polygonal 'tubeforming machine for making square tubes such as shown at E, Fig. 9.

Fig. 5 shows one modification of the invention adapted for the making of hexagon tubes such as shown at F, Fig. 10. Referring to this latter figure, 22 indicates a series of strip engaging devices rotatably supported in hearings in blocks 23, the latter being supported by annular plates 24 which surround the former 7. 26 indicates a shaft provided with a pinion 25 at one end thereof andadapted to mesh with the curved or annular rack- 20, and also provided with a "gear 27 which-meshes with a gear 28 fixed to the axle of the adjacent strip engaging de'vige'22.

Bfy the above described construction and operatiomit will be understood'that a polygonal tube is formed, the walls of which are composed of spirally wound material,'are of uniform thickness and have a continuous Fig. 6'illustratesa modified form ,ofthe invention adapted to wind a tube ofrectangular shape. Referring to this figure, 29,129.

indicate twofrelatively long strip engaging devices and 30, 30, indicate two relatively short strip engaging devices, all of which i thefmandrel'. This form of construction is :co 'o'perate. with a. rectangular man n the in'vent-ion illustrated,. the cutters are .drel to form a similarlyfshaped 1 Fig. 7 illustrates stilt another form f.

the invention wherein the construction" is somewhat simplified. In-this figure, 31 in dicat'es a series of rollers'or pressers, each provided with axles -19 which arejrotatably mounted in bearing blocks l3. Each roller 31 comprises a' main portion 32 which presses the tubes or strips against the adjacent side of. the mandrel,.and auxiliary or co nicallyshaped portions-32 at the opposite ends of-the main portion and adapted to press the tapes or strips against parts of r .the adjoining sides of the mandrel. As will 'be clearly'understood from. Fig. 7, the'conical portions 32 of two adjoining rollers 31 eotipe'rate with each other to press the tapes against that face of the mandrel/between the faces against which the main portions 32 of said rollers operate. By this construction, the tapes or strips are pressed against every face "of the mandrel and; spirally wound around it, although the number of rollers\is less than the number of faces on particularly adapted in making a tube which has a'large number of sides.

In Fig. 8 I have shown a forming mechanism having strip engaging devices 31- mounted therein, such devices beingsimilar tothe devices" 31, shown in Fig. 7, ex-

A cept that their'adjacent side engaging mem' "gaging devices being removable; they may here 31' extendat right angles to the surface of the strip-engaging devices 31. U It will be understood that the strip en be changed and devices of a different size in former it is'desiredto use,'-and-also, by re; moving one of the plates 15 the frame 8' diameter, or of a different shape, substi .tu ted, according to the shape and size of the r and devices mounted therein maybe re-' moved anda new "or different frame with the desired shape and size of strip engaging devices substituted whenthe tube" it is de-. sired to makeyby reason of its shape or .size, cannotbe'made by the devices and former already mountedfin the machine.

'. Ifdesired, the sides of the tube may be slightly convexedor concaved by convexing or concavingthesides of the former and shaping the peripheries of the devicesto cooperate therewith. j

I combine with the tube. winding mechanism means, indicated as a whole; at C, for severing the tube into. lengths-or sections adapted for various purposes.

The cutting mechanism'comprises, a series of cutterspreferably arranged at right angles to, the axis of the'mandrel or -direC- tion-of movement thereon of the formed tube and adapted to revolve in unison with.

the former and the tube formed thereon. Each cutter preferably comprises a roller 33 carryinga-imife'or knives. In the form of i mounted in suitable yielding bearings in i blocks-"36, held in proper osition relative to each other-by plates 37; 37,; and boltsBS; The plates and bearing blocks for the out:

ters are rotatably supported in uprights .39, 39, the latter being removably fixed by bolts 39 to the bed A of the machine.

' The cutters are caused to rotate positively on their own axes in 'uniso'n and preferably ;alloperate to sever the sides of the tube simultaneously. "Inthe present'embodiment of the invention each of the cutters is illustrated as being'provided with gears 35, 35, meshing with similar gears on adjoining cutters. Preferably secured to the axle of one ofthe cutters is a shaft 40, carrying a pinion 41 at its outer end in position to mesh with a stationary curved rack 42 carried by one ofthe uprights 39.

It will be seen from the foregoing de-z ing 'the cutters to rotate is similar in many respects tothose parts that support and op erate the tube forming mechamsm. It will also be seen that I haye'described and illusT- trated only oneset of cutters, such ,set being adapted to cotiperate with -a polygonal former of square shape tosever into lengths .scription that the construction of the cutter-' carrying frame and th'mechanism for causa tube that has been formed thereon;

it will be understood that the cutters are adapted to be arrangedland constructed so as to coiiperate with formers of different shapes-without departing from the spirit of my invention. Thus when a former -having -six sides is used and a tube of similar shape is formed thereon, I provide cutters adapted to operate upon all six sides of the tube.

The knives carriedby the rollers-33 may be shaped to sever the tube into sections with flaps or tongues or tabs attached at one-or both ends thereof of any desired outline.

In Figs. 12 and. 13-1 have represented knives of suitable formfor this purpose. Referring to suchfigures,'3$ indicate the knives shaped to cutout folding-over flaps.

:In order that the flaps. may be provided with interlocking means, I adapt the knife on one of the.rollers to cut out a'tongue port-ion, as indicated at 35,'and provide the roller opposite thereto with aslitting knife 36. x

D, Fig. 15, represents a section of tubing severed by the knives shown in Figs.'12 and .13. By first folding down the flaps d, d,

and then the flaps e, e, and inserting the Y tongue 0" inthe slit 6', it will be seen that i the section is tightly closed at one end.

When it is desired to cut the lengths without the folding-over flaps, I provide rollers with straight edged knives,

'such' asshown at 37, Fig. 1.8. The-rollers tube into beingremovable, rollers carrying knives of any other shape may be substituted when desired.

In the form of the invention illustrated in Figs. 12 and 13, each roller preferably carries two knives set in opposite directions,

whereby they cut out the flaps at both ends of the severed sections.

In the form of the invention herein shown, the rollers-are made of such size that the length of the section to be cut is equal to the distance from the tip of one flap-cutting knife around the roller to the tip of the other flap-cutting knife. I prefer to mount the knives so that their tips come as close together as possible.

.In such a consti ction the length of the section will be approximately equal to the circumference of the roller. ing rollers of greater or less circumference, a longer or shorter section may be. cut.

At 48, Figs. 16 and 17, I have illustrated cooperating means preferably comprising a" series ofwooden blocks inlaid in each surface of the former and extending for a short distance in front and back of the cutters, This wooden surface permits the knives to sever the tube with. a clean out without being injured- 3 r The machine herein shown is capable of use with or without the cutting mechanism. When desired-,the cutting mechanism may be detached entirely by removing one of the plates 39. 1

Beyond the tube forming mechanism, the tube is delivered between the cutting rollers, which latter also revolve with the former around its longitudinalaxis. Through the revolution of the cutters, they are rotated on their own axes, in a manner similar to the strip engaging devices, causing the knives to come into operative position at each revolution of the rollers to sever-the tube into sections.

From the foregoing description it will be seen that I provide cutting mechanism which moves in unison with the formed tube and the knives of which operate on the tube at predetermined intervals. Furthermore, in the particular form of the invent-ion illustrated, since the knife supportsare revolved by the former around its axis the speed of revolution of said supports about their own strip of material thereto-at an angle to its I faces By substitut I axis and a stri en a in device arran ed adjacent to each face-0r side of the former and operating in cooperation with an adjoining device to fold the strip on diagonal lines over a longitudinal edge of the former into engagement with and parallel to the said adjacent face thereof, the said strip engagingdevices and" said former being movabletogether. atthe same speed about-the axis of said former.

2. Ina" polygonal tube forming machine,

the combination of a rotatable former bounded by a series of substantially fiat surextending longitudinally thereof, means for continuously rotating the said former, means for feeding a strip to the former at an-angle to its (longitudinal-axis, a series of revolubly mounted devices; one for each face of the former and arranged transversely thereof, for engaging with the saidstrip and cooperating one-With another and with the fiat surfaces of the former to form a polygonal tube thereon, the said strip engaging and folding devices and the former being movable together about-the axi f said former. a .1

- 3. In a polygonal tube: making machine,

2 the combination of a rotatable former bounded by a series ofsubstantially flat faces extending longitudinally thereof, means for rotating the said former, means for feeding a strip of material thereto at an angle to its ;longitudinal"axis, a series of. revolubly mounted devices, each rotatably,

mounted on an axis transversely of the former cooperating one with another andwith the faces thereof to foldthe strip into.

engagement with the said faces, the said strip 'engagingdevices and said former being movable together about the axis of the latter, and 'means for simultaneouslyfrotating the said devices on their axes for feeding or sliding thetube longitudinally of. the former.-

, 4. In a polygonal tube making machine, the combination of a rotatable polygonal former, means. for rotating the said former, means for feedings strip of material to the formeratan angleto'its longitudinal axis, a series of revolubly mounted devices arranged transversely of and parallel to the faces or sides of the former, and operatingto fold the strip of material 'on lines diagonal to its length into engagement Wit-h the faces or sides of the former to form a polygonal tube, the said former operating to revolve the strip folding devices in unison therewith. p

15; In a plygonal tube making machine, the combination of a rotatable polygonal former, means for rotating the said former,

means for delivering a strip of material thereto at "anangle to its longitudinal axis,

a series of devices arranged transversely of and parallel to the faces -or sides of the sides thereof, and means operated by the revolution of the said strip folding devices ."ifiirmer and cooperating therewith to fold the strip ofmaterial .on lines diagonal to its length into engagement withthe faces or sides of theformer, means for revolubly and rotatably supporting the said devi'ces, the said former operating to revolve the strip folding devices in unison with the faces or for rotating them on their own axes for feeding or sliding the formed tube longi ,tudi-nally of the forn1er.- V I 16. In .a polygonal tube makingniachine,

' the combination of a rotatable 'polygonal former, means for rotating the said former,

to thesaitl strips, the said strip engaging devices and said former movable together' about th'eaxis of the latter.

21 In a polygonal 'tnihe making machine,

'the combination of a, rotatable polygonal former, means for rotating the said former,

means for delivering "strips of material thereto from its oppositesides and at angles to' its longitudinal axis, rdtatable devices: movable in unison and coiiperatingwith the l faces 01' sides of the former to fold the said strips over the longitudinally extending edges thereof into engagement with its faces or sideson lines diagonal to the saidstrips,

and-means for simultaneously rotating the said strip folding devices to'feed the formed tube longtudinally ofthe former.

8. In a polygonal tube niaking machine,- the combination of a rotatable polygonal former, means for rotating said former, means for delivering a. strip of matenal' to said former at 'an angle to its longitudinal axis, and a device arranged transversely of and parallel to each face or side of the former for engaging with the said strip of material and operating in'cotiperation with an adjoining device to fold the strip ofmaterial on a diagonal line into engagement with adjoining faces or sides of the former, the said strip engagingdevices being mo'v-. I able in umson with the former about its 1on gitudnal axis. i 9. In a polygonal tube making machine, the combination of, a rotatable polygonal former, means for rotating said former, means for delivering a strip of material to said former at an angle to its longitudinal axis, and a rotatable device arranged trans,- versely of and parallel to each face-or side of the former for engaging with the said .,strip of material and operating in cofipera tion with an adjoining device to fold the strip of material on a lin'eidiagonal to its length into engagement with adjoining, faces of the former, the said strip folding devices together about the axis of the latter, and means; for positively rotating thesaid strip engaging devices to feeder slide the' formed tube longitudinally of the former.

and said former being movable in unison 10 In a polygonal tube making machine,

the combination of a rotatable polygonal former, means for rotating the said former, means for-'dehvermga strip of materi'al'to said former at an angle to its longitudinal, I

facts arranged at angles to each other and adapted to engage withthe said; strip to form a -polygo ml tube, each-of said devices behig-movable in unison-with'the adjacent face or side of the former and operat ng 1n cooperatlon with-an ad o1n1ng device to fold the strip on a line -diagonal to its length over a longitudinally extending edge'of the former into engagementiwith the. adjacent face thereof, means for positively rotating axis,-a" series of rotatable devices having one of said devices, and gearing for trans-4 mitting the rotary motion of the driven de;

rice to the othendevice's'of the series.

11; In a polygonal tubejinaking machine, the combination of a rotatable "former, means for rotating the said former, means for delivering a strip of material thereto at an angle to its longitudinal axis, a series of rotatable devices havingfaces arranged at angles to each other and adapted to engage with the said strip of material to form a polygonal tube, each of said devices being movable-bodily in unison with the adjacent face or side of the fonherand adjoining devices about the axis of said former and c0- .operating with each other to fold the strip of material on a line diagonal to its length over a longitudinally extending edge of the former into engagement with the adjoining faces thereof, means for positively rotating one of said devices, and gears carried by the opposite, ends of each of said devices and meshing with the gears of adjoining devices for, transmitting the motion of-the driven device thereto,

12.,111 a machine for 'making polygonal i tubes, the 'combinationofa rotatable polygonaljformer, means for rotating the said former, means for dehvermga strip ofma withthe said strip and fold it on lines diagonal to its length into. engagement With terialgthereto,atan angle to its longitudinal axis, a series of devices arrangedgtoengage the faces or sides of' the former, and means for supporting the said devices relative to the faces or sides of the former whereby the 4 said former operates to revolve the said devicesm unison tl 1816W1t-l1. r

18. Ina machlne for making polygonal tubes, the combination of a rotatable poly onal former, means for rotating the said former, means for delivering a strip of mawith the said strips, each'of said rollers and for supporting the said strip engagingjde vices relatively to the faces or sides of the former whereby the said former operates torevolve the said devices in unison therewith, and means operated by the revolution of the :said devices for rotating them on their own axes.

14. Means for making apolygonal tube,

having contim1ousavalls of uniform thickness, comprisinga rotatable member bounded by a series of longitudinallyextending flat surfaces, means for rotating said member, means for delivering strips of material to said member at angles to its longitudinal axis,"anda series of devices engaging with said strips and operating to fold them on lines diagonal to their length into engagementwitlithe faces of said member to form a polygonal tubeand simultaneously feed or slide the forme d'tube longitudinally of said member, the said strip folding devices and said member being movable together about the longitudinal axis of the latter.

15. Means for making a polygonal tube having continuous walls of uniform-thickness, comprising a rotatable member bounded" by a series of longitudinally extending flat surfaces, means for rotating said member, means for delivering'strips of material to said member at angles to its longitudinal" a.X1s,-a'ser1'es of devices engaging with said strips and operating to fold them on lines diagonal to their length into engagement with the faces of the former to form apolygonal tube and simultaneously feed or slide the formed tube longitudinally of the former, and tension devices for yieldingly supporting the said strip engaging and folding devices relative to the faces for the former. 1

16. Means for making a polygonal tube having continuous walls of uniform thickness, comprising a rotatable member bounded by a series of flat, longitudinally extendlng, faces, means for rotating said member, means for delivering strips of material thereto at angles to its longitudinal axis, a rotatable roller having a surface arranged parallel to and bodily movable in unison wit-h each face of'the member about the longitudinal axis of the latter for engaging the adjacent face'of the member cooperating with an adjoining roller and the face of the member adjacent thereto to fold the said strips on lines diagonal to their length into engagement with the adjacent faces of the membenand means for rotating said rollers to feed the tube formed thereby longitudinally of the member,

' 17. The combination of a rotatable former, means for delivering a tape thereto, means for spirally winding the said tape on the former to form a tube, and means for severing the tube into lengths or' sections with folding-over flaps attached'thereto-at one end;

18. The combination of a former, means for delivering a tape thereto, means for spirally winding the tape around the former to form a tube thereon, and means for severing the tube into lengths with foldingover and interlocking flaps attached thereto atone end.

19. The combination of a former, means cooperating with said former for spirally winding a tube'thereon and operating to move the said tube around the axis of said former, and cutters movable with the formed tube aroundthe axis of the-former for cutting the tube into lengths.

20. The combination of a rotatable former, means for rotating the said former, means for delivering a tape thereto, devices cooperating with the former for spirally winding the tape thereon. to forma tube,

' rotatable cutters revoluble with the former, 'and means for positively rotating the cutters on their own axes.

- 21. The combination of a polygonal former, means for delivering a tape thereto, means for winding'a tube on said 'former, and cutters revoluble around the longitudinal axis of the former arranged to engage with and out each side or surface of the tube simultaneously and sever it into lengths.

22. In a box making machine, the combination of arotatable, polygonally shaped mandrel, means for rotating the mandrel, means for feeding a tape thereto, means 00- 5 operating with the mandrel for spirally winding the tape thereon in the'form of a tube, a cutter for each side 'of thetube and revoluble witlrthe mandrel around its longi- 'tudinal axis, and means for opera ting the cutters.

The combination of a rotatable poly onal former, means for rotating. the former, means for. spirally winding and feeding a formed tube along the former, and cutters cooperating with the sides of the former and revoluble about its long tudinal axis for severin the tube into len 'ths. a a

24. The combination of a'rotatable, polygonal former, means for rotating the former, means for winding and delivering a tube along the former, a cutter for each side of the former, means for operating the cutters, and means carried by each side of the former and cooperating with each adjacent cutter for severing the tube into lengths.

25. The combination of a rotatable, polygonal mandrel, means for rotating the mandrel, means for -feeding a tube along themandrel, and cutters revoluble, in unison with the mandrel for severing t-hetube into lengths, the axes of the cutters being a r' ranged at right angles to. the axis of the mandrel.

' 26. The combinationof-a former, means for, delivering a formed tube along the.

former, and ciitters-revoli ible about-its longitudinal axis for severing the 'tubeinto lengths or sections-with folding-over flaps attached at one end. i

27. T he combination of a rotatable, polyg-v o'nal mandrel, means for rotating the mandrel, means for moving a formed tube longitudinally of the mandrel, cutters, one for each side or surface of the tube, revoluble in'unison with the mandrel, and means for automatically operating the tube into lengths.

128. In a tube making machine, the combination of tube forming mechanism comprising a, rotating former, strip delivering means, and means cooperating with the.

former to form a tube and feed it toaoutter mechanism, a r'evolubly mounted cutter supporting mechanism driven bodily by the formerin unisontherewith, and cutters automatically operated by the revolution of the cutter supporting mechanism for, sev'erins! the formed tube into sections,

29. In a polygonal tube making machine former, a series of rotatably mounted cutters having knives arranged parallel to the Iacesof the former for severing the formed tube into sections, means for revolubly supporting the-cutters and, permitting them to be bodily revolved by and in unison With the said former, and means for-rotating the cutters for operating the said knives.

30. The combination .of tape feeding means, (means for spirallv Winding the tape delivered by the said tape feeding means into a pol ygonally-shaped tube, and a cutter for each side of the tube for severing the formed tube into lengths.

31. The combination of tape feeding means, a rotatable, polygonal former, means for rotating the former, means for spirally winding a polygonal tube on the former, and means revoluble with the formerhfor 32. The combination of tape feeding means. a rotatable, polygonal mandrel, means for rotatlng .the mandrel, means for spirally Winding a polygonalltube'pn the mandrel and feeding it' longitudinally thereon, and means revoluble with the man'- drel for severing the formed tube 'into lengths orsections with flaps or tabs at one end. 7

33.-In a machine polygonal former, means for'rotatingthe theeutters' to sever of the character, deescribed, the combination of a rotatable,

nalieorner or edge of them former, means for feeding a tape to the former, devices revoluble with the former ifor spirally winding the tape into a poly onal tube around theformer, and cutters revolving with the former for severing the formed tube lIltO. lengths.

' 34. In a machine of the character de scribed, the combination of a rotatable, po-

lygonal former, means for rotating the ing a rotating member, and cutters, controlled by said rotating member, for severing the formed tube into sections 36. The combination of tape feeding 'neans, means for spirally winding the tape into a tube, the said winding means including a rotatable member on which the tube is forinedfcutters revol'uble with said rotating member for severing'tlie tube into seceons-Esau means controlled by said rotating member for operating said cutters. the combination. of polygonal tube forming mechanism, including a rotating polygonal- '37. The combination of tape feeding means, means for spirally winding the tape into a polygonal tube, the said Winding means including a rotating member on which the tube is formed, knives for severing the tube into sections, means for stip-v ptirting said knives and permitting them. to be-revolved by said rotating member in unison with it, and means for. operating said knives.

38. In a machine for making polygonalitubes, the combination of a mandrel of polygonal shape in cross section and rotatably supported at one end, means for rotating said mandrel, a roller extending transversely across each side of saidniandrel and ar ranged parallel and adjacent thereto, each roller being of a length equal to the width of the adjacent mandrel. side and bodily movable in unison with the mandrel around itslongitudinal axis, means for rotating the rollers on their own axes during their bodily movement with the, Tandrcl, and means ford'eliiyringa stripikif materialbetween the *rolleils and sides of the mandrel at an iang tci 'ltS ax1s,'cach roller operating to press the strip against-the adjacent mandrel side to prevent 'oircun'iferential movement of thestrip relative to thesidc or sides of th e' 'inaiidrel, and each roller and the-ad'- Int side of the mandrel cooperating within adjoining roller and mandrel side adja' f, .oentfto said roller-to'fold and score th "tudi strip on diagonal lines'ov'erethe longi rell' b said two adjoining sides and into engage ment therewith to shape the tube, andsaid rollers also operating tofeed the tube longitudinally along the mandrel.

39. The combination of tape feeding means, means for spirally winding the tape into a tube, the said winding means including a rotatable member on which the tube is formed, cutters revoluble with said rotating-member for severing the tube into s'ections, each cutter operating to out a portion of the tnbe circumferentiall'y, and coin nections between the eutters'whereby they cooperate tocut each portion at the proper place relative to cuts of-the adjoining portions around the said tube.

40.=The combination of a rotatable mandrel the adjoining sides of which are at i right angles to each other, means for rotating the mandrel, a series of devices, one for each side of the mandrel, arran ed ad acent and parallel to the mandrel si es, means i eeding or delivering strips of material befor supporting the said devices to move in unison with sald mandrel around 1ts 1onitu'dinal axis, and means for contlnuously tween the mandrel and said devices at" an angle, said devices operating to prevent cireumferential movement of the strips on the mandrel and to fold said strips on diagonal lines over the edges. of the mandrel to form a tube having its adjoining sides at right 1 angles to each other.

41. In a tube forming machine,the combination of a two-part mechanism arranged to, engage with a strip of inaterlal, the said 'to each other and adjacent and parallel to the sides of said mandrel, whereby said two parts move together in unison, means fordelivering a strip of material between the mandrel and said devices at an angle,.the mandrel and devices cooperating to .prevent circumferential movement of the strip on the mandrel andto fold thestrip on diagonal lines over, the edges of the mandrel to form a polygonaltube, and means for .driving one part of said strip engaging mech- GEO. B; Pirrs, C. W. FOWLER. 

